Then install Xposed Framework
which will let you install a fake GPS location app that will spoof your real location.

Once Xposed Framework is installed,launch it and go to Xposed installer to search for Fakelocation.

Download the Fakelocation and head to the modules section to activate it.

In the past it was quite easy to perfom this cheat for Pokeman Go game by the use of Mock-Locations but the system out-smarted individuals who thought to be smarter with the trick.

After following the procedures above succesfully you should reboot your phone and alter GPS settings for Google play services then launch Pokeman Go app on your device and enjoy catching Pokemans without having to leave your home.

Warning:Rooting voids the waranty of an android device and should be done correctly to avoid soft-bricking the device.

Otherwise have fun with the game and leave me a comment below incase you are stuck somewhere with the procedure.